Sun Chemical has entered into a partnership with Document Security Systems, Inc. to cross market and sell one another's anti-counterfeiting products. The strategic partnership allows Sun Chemical to market and sell DSS' suite of anti-counterfeiting technologies that include smartphone authentication, hidden images and copy protection. DSS will also market and sell Sun Chemical's wide range of anti-counterfeiting solutions, including multiple covert taggant-reader systems, special effect inks and smart sensor technology.